package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo2 {
    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root","root");
        Statement statement = connection.createStatement();
        String sql = "INSERT INTO userinfo(username,password,nickname,age) " +
                "VALUES ('张三','123456','阿三',22)";
         /*
            Statement提供的方法:
            int executeUpdate(String sql)
            专门用于执行DML(INSERT,UPDATE,DELETE)语句的，返回值表示执行后影响了表中多少条记录
         */
        int i = statement.executeUpdate(sql);
        if (i>0 ) {
            System.out.println("插入成功");
        }
        connection.close();
    }
}
